ISRC GBBBA1800074
Verified recording
GBBBA1800074 is “String Quartet in G Major, Hob. III:81 (Op. 77 No. 1): 1. Allegro moderato” by Joseph Haydn,
registered on the CopyrightChains blockchain with CopyrightID
0xe703a86f73e200662f123c9df4fcbb93f81ba3481fe7b60914892f74c2798952 and independently timestamped
in Bitcoin block 960294 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1800074.
Recording identifiers
- ISRC
- GBBBA1800074
- Title
- String Quartet in G Major, Hob. III:81 (Op. 77 No. 1): 1. Allegro moderato
- Artist
- Joseph Haydn
- CopyrightID (CopyrightChains transaction hash)
0xe703a86f73e200662f123c9df4fcbb93f81ba3481fe7b60914892f74c2798952
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T18:46:00+00:00
- Bitcoin block
- 960294
- Canonical record hash
sha256:44c50add0179f575dd5b4765bed0a3d09df343a1e8a88678920a3d740276030a- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBBBA1800074
- Bitcoin block existence check
- https://blockstream.info/api/block/960294
Full record
Track page: String Quartet in G Major, Hob. III:81 (Op. 77 No. 1): 1. Allegro moderato · Machine-readable JSON-LD